12
Jan
Washington, Jan 12, The US Federal Aviation Administration (FAA) has formally notified Boeing in a letter that it is conducting an investigation into the American aircraft maker's quality control after the January 5 Alaska Airlines in-flight blowout incident. In a statement released on Thursday, the aviation watchdog said the investigation will "determine if Boeing failed to ensure completed products conformed to its approved design and were in a condition for safe operation in compliance with FAA regulations", reports Xinhua news agency The investigation is the result of the incident on a Boeing Model 737-9 Maz where it lost a "plug"…